2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5,6-dihydro-3-[[2-(trimethylsilyl)ethoxy]methyl]uridine

3′,5′-Bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5-(2,2-dimethyl-1-oxopropyl)-5,6-dihydro-3-[[2-(trimethylsilyl)ethoxy]methyl]thymidine

2′-Deoxy-3′,5′-bis-O-[(1,1-dimethylethyl)dimethylsilyl]-5-(2,2-dimethyl-1-oxopropyl)-5,6-dihydro-3-[[2-(trimethylsilyl)ethoxy]methyl]uridine

Guanosine, 2′-deoxy-N-[(7R,8S,9R,10S)-7,8,9,10-tetrahydro-7,8,9-trihydroxy-3-nitrobenzo[a]pyren-10-yl]-

Guanosine, 6-O-[2-(4-nitrophenyl)ethyl]-N-(triethylsilyl)-2′,3′,5′-tris-O-(triethylsilyl)-

Guanosine, N-(triethylsilyl)-2′,3′,5′-tris-O-(triethylsilyl)-

Inosine, 6-O-(4-chlorophenyl)-

Inosine, 6-O-(4-chlorophenyl)-, 2′,3′,5′-triacetate

Uridine, 4-O-(4-chlorophenyl)-2′,3′,5′-tris-O-(triethylsilyl)-

Uridine, 2′,3′,5′-tris-O-(triethylsilyl)-, 4-[2,4,6-tris(1-methylethyl)benzenesulfonate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[[4-(2-amino-2-oxoethoxy)phenoxy]acetate]

Uridine, 2′,3′,5′-tris-O-(triethylsilyl)-

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-[[4-(2-amino-2-oxoethoxy)phenoxy]acetate]

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[[4-(2-amino-2-oxoethoxy)phenoxy]acetate]

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[[4-(2-amino-2-oxoethoxy)phenoxy]acetate]

Guanosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-N-(2-methyl-1-oxopropyl)-, 3′-[[4-(carboxymethoxy)phenoxy]acetate]

Cytidine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[[4-(carboxymethoxy)phenoxy]acetate]

Adenosine, N-benzoyl-5′-O-[bis(4-methoxyphenyl)phenylmethyl]-2′-deoxy-, 3′-[[4-(carboxymethoxy)phenoxy]acetate]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′,3′′′-[2,2′-[1,4-phenylenebis(oxy)]bis[acetate]]

Thymidine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-, 3′-[2-[4-(carboxymethoxy)phenoxy]acetate]